turning to iran, where state radio is reporting that two men have been executed for spying for the cia. they've been convicted by tehran's revolutionary guard court and were hanged at dawn. iran regularly accuses the u.s. and israel of spying. particularly on its nuclear program. >>> and north korea, adding one more rocket launch to this weekend. a short-range missile fell into the waters off north korea's coast today. the launch has set back recent moves to ease tensions on the korean peninsula and appear to have been provoked by the arrival of the u.s. aircraft carrier, "nimitz" in the region. >>> now, to the irs targeting tea party and special groups for scrutiny. the white house of course under fire because treasury department officials were told of the irs investigation a year ago. but tonight, we have learned that some republican members of congress were also told back then. abc's reena ninan joining us from the white house. reena, good evening. >> reporter: david, good evening. a senior obama adviser said the white house officials were first made aware of the irs probe in late.